[  991.482706][T21512] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  991.483878][T21512] test-bond1: (slave test-bond0): making interface the new active one
[  991.484305][T21512] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  991.662360][T21517] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  991.723788][T21520] test-bond1: entered promiscuous mode
[  991.723948][T21520] test-bond0: entered promiscuous mode
[  992.743330][T21520] test-bond1: left promiscuous mode
[  992.743498][T21520] test-bond0: left promiscuous mode
[  994.276188][T21522] test-dummy0: entered promiscuous mode
[  996.313992][T21522] test-dummy0: left promiscuous mode
[  996.505487][T21525] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  996.510034][T21525] test-bond1 (unregistering): Released all slaves
[  996.556470][T21526] test-bond0 (unregistering): Released all slaves